Computing and recording machine.



PATBNTED DEC. 8, 1903.

P. s. BALDWIN. COMPUTING AND RECORDING MACHINE.

APPLICATION FILED AUG.8.1902.

PATENTED DEC. 8, 1903.

l E'. S. BALDWIN.

COMPUTING AND RECORDING MACHINE.

APPLICATION FILED AUG. 8, 1902.

s SHEETS-SHEET 2.

HU MODEL.

nannte/z @HC1/M ma 'Nol 745,991.

PATENTED DBG. 8, 1903.

` I". s. BALDWIN.

COMPUTING AND RECORDING MACHINE.

APPLICATION FILED AUG. 8, 1902.

6 SHEETS--SHBET 3.

.N0 MODEL.

z O Paw n e o M v10 @Wozu m PATENIED DEG. 8, 1903.

F'. S. BALDWIN.l

COMPUTING AND RECORDING MACHINE.

APPLICATION FILED AUG. 8, 1902.

6 SHEETS-SHEET 4.

N0 MODEL.

PATENTED DEC. 8, 1903.

' F. S. BALDWIN.

COMPUTING AND RECORDING MACHINE.

APPLICATIQN FILED AUG. 8, 1902.

6 SHEETS-SHEET' 5.

. NO MODEL.

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allions ma PATENTED DEG. 8, 1903.

IRS. BALDWIN.

COMPUTING AND RECORDING MACHINE.

APPLICATION FILED AUG.8, 1902.

. N0 MODEL.

6 SHEETS-SHEET 6.

1v1/ig. 72.

wi h1 como UNITED STATES Patented December 8, 1903.

FRANK S. BALDWIN, OF NEVARK, NEW JERSEY.

COMPUTING AND RECORDING MACHINE.

SPECIFICATION forming part of Letters Patent No. 745,991, dated December8, 1903.

Application filed August 8,1902. Serial No. 118,920. (No model.)

To if/ZZ whom it iii/ty concern.-

B'e it known that I, FRANK S. BALDWIN, a citi/.en of the United States,residing at Newark, in the cotinty of Essex and State of New Jersey,have invented new and useful lmprovements in Computing and RecordingMachines, of which the following is a specilica tion.

My invention relates to improvements inz computing and recordingmachines, and pertains to a machine including a mechanism for computingthe suin-totalfof aVv plurality of numbers or amounts and mechanism forrecording the separate or individual amounts and also a mechanism forrecording or printing the sum-total of all of the amounts when thecomputation is completed, all of which, including many auxiliaryfeatures, will be fully described` hereinafter.

The general object of my present invention is to improve, simplify, andvcheapen that class of computing and recording machines which are nowused to a considerable extent by banking institutions for calculatingand recording the individual amounts and their sum-total, the same beingconstructed to minimize thel probability of errors on the part of t-lieoperator and to enable the operator to readily and quickly correct anerror and to provide a mechanism which, owing to its simplicity, is lessliable to get out of order and which is accurate and positivewin itsaction.

ln the accompanying drawings, Figure lis a top plan view of a machineembodying my invention with the top of its retaining-case removed. Fig.2 is a transverse vertical sectional view on the line 2 2 of Fig. llookingT in the direction indicated by arrow. Fig. 3 is a similar viewtaken on the line 3 3 of Fig. l and looking in the direction indicatedby arrow. Fig. t is a horizontal sectional view taken on the line Ll 4ot' Fig. 2. Fig. 5 is a horizontal sectional view on the line 5 5 ofFig. 2. Fig. 6 is a vertical .sectional view on the line 6 of Fig. l andlooking in the direction indicated by arrow. Fig. 7 is a horizontalset-tional view on the line 7 7 of Fin. 2 with the motormechanism, thekey mechanism, and its coiinectiin.r parts omitted. Fig. 8 is a verticalsectional View on the line 8 3 of Fig. 7 and looking in the directionindicated by arrow. Fig. 9 is a transverse vertical sectional viewthrough the carriage, taken on the line 9 9 of Fig. ll. Fig. lO is asimilar View taken on the line 10 l() of Fig. ll. Fig. ll is ahorizontal sec tional View taken through the carriage and on the line l11l of Fig. 3. Fig. l2 isa View with the left-hand ends of the case 2 andthe carriage 39 in Fig. l removed. Fig. 13 is a detached View of thelever 109 and its coperating parts.

My improved computing and recording or printing machine includes amotor-driven mechanism for actuating the computing mechanisin and theprinting mechanism, an escapetnent mechanism*controlling the motormechanism and a key mechanism controlling the escapement mechanism,whereby the motor mechanism is controlled and permitted to actuate thecomputing mechanism a distance corresponding to the nu ineral indicatedby the key depressed and in turn actuating the computing mechanism acorresponding` distance to register the number of digits indicated bythe key depressed and also control or set the printing mechanismcorrespondingly, a oarriage traveling across the motor-actuatingmechanism, the said carriage including` the computing and printingmechanism, and also auxiliary mechanisms acting in conjunction with theaforementioned mechanisms for the purposes to be hereinafter explainedand also with auxiliary mechanisms for feeding the strips of paper uponwhich the individual amounts and their sinn-total are printed orrecorded, and also a inecliansin for feeding a printing-ribbon.

In the accompanyingdrawings, l indicates the main or body portion of abox or casing in which the mechanism of iny machine is placed andsuitably supported, and 2 a cover hinged to the body portion at thepoint 3, whereby it can be turned backward to permit access to theoperating mechanism when the machine is to be used, or, as will bereadily understood, the top 2 can be made separate and removable fromthe body portion.

Situated at and supported by one end of the box or casing is a suitablespring-motor for actuating the computing mechanism and also thenumeral-wheels of the recording or printing mechanism. 'lliis motorconsists ot' a spring 4, which has one end connected with a shaft 5 andits opposite end attached to a stationary pin or rod 6. Made fast to theshaft 5 is a ratchet-wheel 7, and placed loosely upon the shaft 5 is alarge gear 8. This gear 8 carries a spring-paw] 9, which engages theratchet 7, so that when the spring is unwound it actuates the shaft 5and in turn the ratchet 7 and through the medium of the pawl 9 alsoacuates or revolves the large gear 8. The spring is wound through themedium of a suitable handle 9', located outside of the easing 1 andfirmly connected with the shaft 5. For the purpose of indicating to theoperator when the spring needs winding an alarm device is provided, andthis consists of a suitable hell 10, located within the case at asuitable point, anda clapper 11, adapted to ring the hell through themedium of a mechanism consisting of a pivoted lever 12, carrying a hingeor pivoted arm le, adapted -to engage the upper end of the clapper-rod,as clearly shown in Fig. 3. The lower end of the clapper-rod is rigidlysupported through the met'iium el a rod orother member 15, and theclapper-rod is a spring member carrying the clapper. ftlhen the springneeds rewinding, it will expand and engage the free end of the lever 12and move it in the direction indicated oy arrow until it forces theshoulder 16 oi the pivoted arm 14.- out ot' engagement with the upperend of the clapper-rod, when the clapper-rod will be released and theclapper strike the bell, thus indicatingl to the operator that the motoris to be wound d through the medium of the winding-lever 9.

A shaft 17 is journaled in the case and eX- tends parallel the shaft 5.This shaft 17 carries a pinion or small gear 1S, which is in mesh withthe large gear 8 of the spring-motor, and the .sh-att, through themedium of the pinion and the gear of the motor, is revolved whenpermitted to do so, as will be readily understood. rFhis shaft 17 iscontrolled in its revolutions through the medium of au eseapementmechanism. This escapement mechanism consists of a large gear 19, whichis made fast to the shai't 17, and the gear forms a part of theescapement mechanism and also serves to actu-ate, through.

the medium of intermediate gear, as will appear ereinafter, thecomputing mechanism and also the numeral-wheels of the printing orrecording mechanism.

rllhe escapement mechanism is shown in Fig. 2 and includes anoscillating and reciprocating yoke 20. By reference to Fig. 5 it will beseen that this yoke is essentially U-shaped in contour or form and hasits ends journaled upon the shaft 17. ln order to permitthe yoke to havea transverse reciprocating movement, as well as a circular oscillatingmovement, the ends of the yoke are provided with longitudinally arrangedslots 21, through which the shaft 17 passes. By this arrangement it willbe noted that the yoke may oscillate in the arc ol" a circle and mayreciprocate in a direction transverse the gear 18 and also transversethe shaft 17. This yoke at its transverse portion 22 is provided with atooth 23, adapted to engage between the teeth of the gear 19, as clearlyillustrated in Fig. 2.

rlhe keys 2-1, each oi which represents, respectively, a numeral from 1to 9, inclusive, as shown in Fig. 1, are inrermediately pivoted upon arod or shaft 25, and their inner ends are provided with shoulders 25',which normally rest at a point outside ot' the path traveled by thetransverse portion of the yoke and will therefore not interfere with thecircular oscillating` movement of the yoke. When, however, a key-leveris depressed, the shouldered end is moved inward toward the gear 19 andat a point which is in the path traveled hy the transverse portion oftheyoke and will engage and stop the movemeutol the yoke. For the purposeof illustrating this position the key-lever 2o, Fig. 2, is showndepressed and its shouldered end 25'at a point adapted to engage andarrest the circular oscillation of the yoke. By reference to Fig. 5 itwill he noticed that the parallel arms ofthe yoke are located somedistance from the opposite sides ofthe gear 19. This is for the purposeof providing sui'licient space l'or the inwardly extending sleeves andcollar 27, which are secured to the lyoke. 'lhe object oi' these sleeveswill now ce stated.

Secured to the shaft is what maybe aptly termed a "universal arm 2S,which carries at its end which lies under the keylevers a universaltransverse bar 29, adapted to he engaged by any one of the key-leversthat is depressed. A spring serves to normally hold this arm 28 and itstransverse har 29 normally upward. The opposite end oi this arm 2S islrigidly secured to the shaft 25, as before stated, and projecting fromthe shaft and rigidly secured thereto are the parallel coactingescapement or controlling arms 31. These arms, as shown in Fig. 2, areessoutially triangular in shape and carry at their inner ends therollers 32, which engage the under side oi the sleeves or collars 2",and their outer or opposite ends are connected hy a transverse tooth orhar $55, which is adapted to engage between the teeth of the wheel 19. Aspring 3st has its upper end connected to the yoke 2O at a pointeccentric thereto, whereby the spring serves to normally hold the yokedownward and its tooth 23 normally out of engagement with the teeth ofthe gear 19 and also to normally hold the yoke in engagement with asuitable stop 3o. lt will he noted by reference to Fig. 2 that thekeylevers have their inner ends ol' various lengths, and therefore theirshouldered ends 25/ at various points throughout the arc ot' a circlesurrounding the gear 19. The ohject ot' this construction is to have theshouldered portions ofthe key-levers to respectively engage thetransverse portion 22 ot' the yoke 2O at various points throughout itscircular oscillating movement, and therefore to permit the IIO IZO

vergeet l 3 yoke and gear 19 to have more or less circular oscillation,according to the particular key-lever that is depressed. The mechanismjust described constitutes the escapeinent mechanism, and the operationof this will now be explained.

By reference to Fig. 2 it will be seen that the key-lever 26 isdepressed, which in turn depresses the universal arm 23, and thedepression ot' this arm 28 has oscillated the arm 31, carrying theWheels 32 in engagement with the collars or sleeves 27 upon the yoke,and has vibrated the yoke transversely to carry the tooth 23 inengagement with the teeth of the gear 19. This same movement has alsocarried the tooth 33 out of engagement with the gear 19. The tooth 23serves to normally lock the gear 19, and hence to normally lock themotor mechanism until one of the key-levers is depressed. When thekey-lever is depressed, as just stated, the yoke is vibratedtransversely and the tooth 23 caused to engage the wheel 19 and thetooth 33 is carried out of engagement with the wheel 19, thus releasingthe wheel and permitting it to rotate until arrested by the engagementof the yoke with the shoulder 25 of the key-lever 26. In this way thewheel 19 is permitted to rotate a number of teeth corresponding tothenumeral indicated by the key-lever which is depressed. Vhen thekey-leveris depressed, the tooth 23 of the yoke is carried in engagementwith the teeth of the gear 19 before the tooth 33 is disengaged from thegear 19, and the instant the gear 33 is disengaged from the gear 19 thegear oscillates until stopped by the shoulder 25'l of the key-lever. Thekeylever being then released, the tooth 33 is carried in engagement withthe gear 19 before the key-lever 26 is released, thus again locking thegear 19. The shouldered ends of the key-levers are so shaped orcurved atthe point 38 that they hold the tooth 23 of the yoke in engagement withthe gear 19 until the keylever is released and the yoke 2O permitted todrop. Before this occurs, however, as just stated, the tooth 33 is inengagement with the wheel 19 and the wheel locked against furthermovement. Immediately upon the release of the key 26 the spring 34 drawsthe yoke downward, disengaging its tooth from the gear 19, and alsooscillates it to its normal position in engagement with the stop 36,ready to be again operated when the key-lever is depressed. From thisdescription it will be noted that the gear 19 is permitted to rotate anumber of teeth corresponding to the numeral indicated by the key-leverdepressed, and in turn the gear 19 will, as hereinafter explained, causea rotation of the numeralwheels of the computing mechanism a number ofteeth corresponding to the number of teeth upon the Wheel 19 that havebeen permitted to escape through the mechanism vj ust described, andhence compute the number of digits represented by the key-lever that isdepressed.

The carriage-The carriage 39 includes a suitable casing in which arejournaled the shafts 40 and 41. The shaft 40 may be aptly termed amaster-shaft, and this shaft carries a pinion 42, which is normally inengagement with the gear 19, and when the gear 19 is permitted to escapea predetermined number of teeth, according to the key-lever which isdepressed, as before explained, the pinion 42 is rotated a correspondingnumber of teeth, and hence the master-shaft 40 is rotated acorresponding distance. The shaft 4l carries a computing mechanism 43anda series of combined sightand printing wheels 44. This computingmechanism and the combined sightand printingwheels areentirelyseparateandindependentand are separatelyandindependentlyactuated, though they are controlled in their movements through themedium ofthe key-levers, as will appear hereinafter. The carriage 39travels in a direction across the machine from right to left, asindicated by arrows in Figs. l and 4. The mechanism for effecting themovement of the carriage will be presently described, it beingsufficient to state at this point that when a key-lever is depressed thecarriage is caused to travel one space, or from one numeral-wheel to thenext, of both the computing and the combined sight and printingmechanisms.

I will now explain the computation and the combined sightand printingmechanism. Located on the shaft 40 is a wheel 45, which is adapted toengage, respectively, the numeral- Wheels 46 of the computing mechanism,and also a wheel 47, which is adapted to engage, respectively andseparately, the numeralwheels 44 of the combined sightand printingmechanism. The carriage 39 is journaled upon the shaft 40 and slidesback and forth thereon and is also adapted to be turned backward in thedirection indicated by arrows in 2 and 3 for the purpose of exposing tothe operator the computing mechanism and the combined sight and printingmechanism for purposes to be explained hereinafter. When the carriagehas reached the limit of its movement to the left, asindicated in Fig.4, the wheels 45 and 47 are out of engagement with both the computingand the sight and printing mechanisms to prevent the actuating of thesemechanisms when the carriage is depressed to record or print the amountsor digits which are set up upon the combined sight and printingmechanism, the operation of which will be presently described.

It will be understood by those skilled in this art that the carriage ismoved to the right to the desired point for setting up andcomputingthedesired amount. Forinstance, ifit is desired to compute andto set up upon the printingmechanism the amount12 the carriage will bemoved to the hundreds-point and the key indicating the numeral 1pressed, which will aciuate the hundredswheel 1 and the carriage bemoved one space, the key depressed indicating the numeral 2,

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when the tens-wheel of the computing mechanism will be moved two spacesor teeth, and when the key is released the carriage will move anotherspace, and the key 5 is depressed, which will move the unitsnumeralwheel of the mechanism five teeth, thus completing the amount125.7 At the same time the wheel-4:7 has likewise engaged thenumeralwheels of the combined sight and printing mechanism and has setup thereon the numerals 125. The carriage is then depressed, and theprinting-wheels will print, as will be hereinafter explained, upon thesheet of paper 125.

In order to assist the operator in properly positioning the carriageaccording to the` amount that is to be computed and printedfor instance,in the hundreds, tens ol hundreds, thousands, tens otthousands,&c.-andto make this position accurate, reliable, and easy, I provide aplurality of stops Jfor the carriage which will determine for theoperator the point at which the carriage is to be stopped in drawing itto its starting-point. This is accomplished through a medium of keys 50,(see Fig. 4,) which have indications of units, tens, hundreds, tens ofhundreds, thousands, tens of thousands, and hundreds of thousands, andthese actuate and control, respectively, the stops 5l, which are carriedat the inner ends of the intermediately-pivoted key-levers 52. When akey-lever indicating units is depressed, the proper stop 51 is thrown inthe path of travel of the carriage, so that the carriage cannot he movedback beyond that point, and hence when one of the-computing key-levers24 is depressed it will compute in the proper column or upon the propernumeral-wheel, and the proper wheel of the printing mechanism will becorrespondingly actuated for recordingr the computed amount. Theoperator will depress the proper stop-key and draw the carriage backuntil it is stopped thereby. For instance, if he is to compute and torecord the amount 25 the hundreds stop-key will be depressed and thecarriage drawn back until stopped thereby, when it will be in the properposition to properly compute the amount and to properly set up theamount on the printing mechanism to be recorded upon the strip of paper.

Carriage-feed n'tcchcmism.-The f ront ed ge of the carriage 39 isprovided with a toothed portion 55, which. is in engagement with a gear56, and the opposite end of the carriage is provided with a supportingwheel 56, which rests upon the upper base of the plate 57 of themachine. Vihen the gear 6 is rotated one tooth, it moves the carriage acorresponding distance for the purpose of causing the wheels 4-7 and 45to be in engagement, consecutively and respectively, with the propernumeral-wheel of the computing mechanism and the proper numeral-wheel ofthe printing mechanism.

The wheel 56 is rotated one tooth at a time by the mechanism which Iwill now explain.

By reference to Figs. 2 and 7 it will be noticed that the gear 56 isattached to a shaft 5S, which is journaled in arms 59, that extendlaterally from a lever 60, and that the outer end of the lever 60 ispivoted at a point 61, which permits the opposite and inner end of thelever 60 to be depressed. This lever 60 has its inner free end normallyheld in an upward position through the medium of anintermediately-pivoted spring-held lever 62, pivoted at the point h3,with the inner end of the lever in engagement with the inner free end ofthe lever 60, that carries the cog-wheel 56. A spring 64 is connected tothe inner end of the lever 60 and serves to hold its opposite and outerend normally upward, and it being in engagement with the inner end ofthe lever 60 serves also to hold it normally upward. The inner end ofthe shaft 58 carries a crank-arm 65, to which is pivoted a pawl 66, thatis adapted to engage with the cog wheel 56. The shaft 58 is oscillatedwhen a key-lever is depressed to move the pawl G6 loosely downward overone tooth of the cog-wheel 56, and when the key-lever is released theshaft 58 is oscillated in the opposite direction sufticiently to movethe cog-wheel through the intervention of the crank-arm 65 and pawl 66one tooth, and to consequently move the carriage a correspondingdistance. The depression ot' one of the key-levers causes a movement ofthe carriage through the medium of a link 67, which has its upper endconnected with a crank-arm 68, and the opposite and lower end of thislink 67 is connected with the universal bar 29. Hence when a key-leveris depressed the univversal bar is depressed, and in turn the shaft 58is oscillated sufiiciently to carry the pawl 66 loosely7 over one cog ofthe wheel, and when the key-lever is released the universal har isforced upward through the medium of the spring 30, which is sufficientlystrong to cause the carriage to oscillate the shaft 5S in the oppositedirection, and to therefoie, through the ini erventiou ot' the cog-wheel56, cause the carriage to move one tooth or space iu the directionindicated by arrows in Figs. 1, et, and S.

Paper-feeding mechants/:n. Sil uaied within the casing is the paper-roll70, (indicated by dotted lines iu Fig.6,) and the paper passes. fromthis roll through a suitable slot in the plate 7l and passes rearwardover the said plate between the rollers 72 and 73, the outer ends of therollers being geared together and caused to rotate in unison through theinedium ot' the gears 74;. 'lhe shaft ot' the lower roller 73 and at theopposite end from the gear 7st is provided with a ratchet-wheel 75,Figs. 'l and 7, and a spring-pawl 76 is adapted to engage theratchet-wheel for the purpose oi' rotating it after each printing actionthrough the depression ot' the carriage for that purpose, as will now beexplained.

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A ribbon 77 passes across the paper at the printing-point and directlybelow the type upon the combined and sight and printing wheels 44,whereby when the front and free ends of the carriage are depressed thenumerals to be printed will be carried in contact with the ribbon and beprinted upon the paper 78 thercbelow. The ribbon is fed through theintervention of a ratchet-wheel 79 upon one end of'the ribbon-shaft 80and a spring-pawl 81, suitably connected with the inner free end of theintermediately-pivoted lever 62.

Paper and ribbon feeding operation-As before stated, the lever 62, whichcarries the carriage-feeding wheel 56, is pivoted so that its inner endcan be depressed. When the amount has been set up (as before described)upon the printing mechanism and the computation made (as beforedescribed) by the computing mechanism, the front edge of the carriage isdepressed by striking or pushing downward )upon a handle S2. When thecarriage is depressed, it carries with it the inner end of 'the lever 62and this depresses the lever 60, and through theintervention of thespring-pawls 76 and 81 the paper and the ribbon are fed the desireddistance after the printing has been accomplished and during the risingmovement of the outer or front portion of the carriage.

In order to prevent a depression of the carriage until it has reachedthe limit ot' its movement in the direction indicated by arrows in Figs.1, 4, and S, (and has therefore set up the units-wheel of the printingmechanism and made the units computation, at which time t-he carriagewill have reached the position shown in Fig. 4, thus carrying the wheels45 and 47 out of engagement with the computing and printing mechanism,)the wheel 56 rests upon the plate 71 until the carriage has reached theposition shown in Fig. 4, when the wheel 56 will run otf onto the innerfree end 90 of the spring-actuated lever 91, at which point the carriagecan be depressed. It will be readily understood, however, until thewheel 56 is resting upon the free end 90 of the lever 91 the carriagecannot be depressed,because the wheel will be resting upon the rigidplate 71. As before stated, this will prevent the operator from making amistake in printing before the complete computation and the completesetting of the printing mechanism have been accomplished, and thusprevent any consequent error in attempting to printbefore the wholeamount to be printed and computed has been set up and computed. When inthis position, the Wheels 45 and 47, before stated, are out ofengagement with the computing and the printing mechanism, as shown inFig. 4, whereby a depression of the carriage will not actuate either thecomputing or printing mechanism, and therefore will not disturb thecomputedamount of the computing mechanism or the set-up amount of theprinting mechanism to be recorded upon the paper 78.

Comput/ng mechanism.-Referri ng now to Figs. 2 and 11, it will be seenthat the wheel 45,whichis actuated, as before stated, through the mediumof the spring-motor, in turn actuates the numeral-wheel 46 of thecomputing mechanism 43. A square shaft 93 supports a plurality of disks94, which have correspondingly-angular openings to prevent the rotationof the disks. A disk is situated between each numeral-wheel 46, and thusprevents them from engaging with each other and prevents the rotation ofone having any tendency to rotate an adjacent wheel. Each numeralwheel46 is provided with a ratchet-wheel 95, and the adjacent numeral-wheelis provided with a spring-pawl 96, adapted to engage the saidratchet-wheel. The disks 94, as before stated, are held against rotationupon the square shaft 93, and each of these disks is provided with acut-out portion 95, which coacts with the spring-pawl 90 to cause the'spring-pawl to be disengaged from theratchetwheel after theratchet-wheel has been moved one notch, as will be readily understood bythose skilled in this art. `/Vhile I show and describe this form ofcarrying mechanism, it will be readily understood that any desired formof carrying mechanism may be provided for the computing mechanism. Themanner of carrying from one `numeral-wheel to the neXt by any desiredform of carrying meclr anism is so well understood by those skilled inthe art that further description is unnecessary.

For the purpose of enabling the total to be wiped out of the computingmechanism and the numeral-wheels returned to 0 or zero the square shaft93 is provided with an operating-handle 99, by means of which it can berotated, and the free end of the handle is provided with a projection100, adapted to enter an opening 101 made in the end of thecarriage-casing for locking the lever, and hence locking the shaft. Whenthe shaft is to be rotated, the lever is drawn outward until theprojection is disengaged from the opening, when it can be rotated. Byreference to Fig. 2 it will be noted that a rod or shaft 102 isprovided, and this shaft carries a spring dog or pawl 108 for eachnumeral-wheel. Each numeral-wheel is provided with a pin, notch, orprojection 104, with which the spring-dogs are adapted to engage. Vhenit is desired to wipe out the total upon the computing or numeralwheels, the dogs 103 are thrown into the position shown in Fig. 2through the medium of a suitable handle 105 and the shaft 93 is givenone rotation through the medium of the handle 99, as before stated,which will cause the total to be wiped out and naughts to appear throughthe opening 106 made in the carriage 39.

In Figs. 4 and 11 itis shown that the wheel 45 is provided with a clutchmember 107, adapted to engage with a corresponding clutch member uponthe pinion 42. By this means the Wheel 45 can be thrown out of gear withIIO VSO

right of Figs. 2 and 1l. The object of providing this disconnecting`device is for the purpose of enabling the total amount to be set up onthe printing mechanism directly from the visible total upon thecomputing mechanism through the opening 106 without tlistrioiugT thecomputing mechanism when the total is to be printed. his will enable theoperator to set up the total upon the printing mechanism to be printeddirectly from the total appearing upon the computing mechanism and tocompare the set-up t0 tal through the opening S before it is printed tosee that it correctly corresponds to the total appearing upon thecomputing mechanism through the opening 106. This clutch is actuatedthrough the medium of a lever 109, which is journaled upon a screw 110,the said screw being supported bya bracket-shield 111. rilhe lever 109carries cam 112, which engages with a slot listin the free end of acrankarm115,the said crank-arm being con nected to a shaft 11o. rihisshaft carries at its opposite end an arm 117, which has its upper freeend adapted te engage in the groove 118 of the clutch member of thewheel 45. The cam carried by the lever 109 is of such form, as hereshown, that the clutch will be locked either in its operative orinoperative position.

rEhe numeral-wheels 46 are prevented from throwiiag over by theirindependent fric-- tional contact with the intermediate disks 94, which,as before stated, are held against revolution upon the shaft 93. Whilethe disks are not permitted to rotate on the shaft, they have a slidingendwisc movement thereon, and a spring 119, placed upon the shaft,serves to force the numeral-wheels in contact with the disks, and thusereatea sufficient friction against the disks to prevent them fromthrowing over in the operation of the machine.

.Print/iig or record/ng mechanism- At the loft-hand side of thecarriage, as shown in Figs. 1 and 4.-, is situated the recording orprinting mechanism est. This consists of a plurality of numeral-printing wheelstf-t, which are termed. combined printing and sightwheels,7 for the reason that they serve for recording or printing, andalso serve as sight or indicating wheels for the operator to see 'thatthe amount he has set up to be printed corresponds with the amount hewishes to print and also corresponds with the amount which he wishes 'tocompute. Therefore the operator immediately upon setting up a tig- `uresees it through the opening 10S, and an error is instantly visible.After he has set up the amounthe can also compare it with that fromwhich it is copied, and if it is not correct he can move the carriage tothe position shown in. Fig. L1, turn it up, and make the correction uponthe computing mechanism by simply turning the numeral -wheels by hand.He can then either make the correction upon. the printing-wheels in thesame "ng mechanism by moving it to the i way or can wipe them out andbegin over again. The numerals to be printed will be on the teeth orprojections of the wheels -t-land the sight-numerals will be in thespaces 131 between the teeth or projections, and the numerals will be sosituated that the numerals to be printed by the lower projection willshow through the opening 108 and between the projections or teeth. Owingto this construction the wheels 120 are combined printing and sightwheels and avoid the necessity of having separate mechanisms forprinting and for sight or indicating` purposes, which greatly simplifiesa machine of this character.

By reference to Figs. 10 and 11 it will bc noticed that there issituated between the numeral-wheels a disk 122 and that the shaft 123upon which the disks and wheels are located is angular in cross-section.The disks 122 have corresponding angular openings, so that they are heldagainst rotary movement upon the shaft 123. Convolute springs 124c(shown in dotted lines, Fig. 10, and in fulllines, Fig. 1l) have one endattached to the intermediate disk and their opposite end connected withthe printing-wheels. Each disk is provided with a projection 125, whichengages a piu 126, and thus holds all of the printing-wheels with thenaught or Zoro appearing through the opening 10S andthe correspondingfigures located below and over the printing-point. A shaft 126/ passeslongitudinally through a portion of the case and extends parallel withthe carriage 123. This shaft 12b" carries a plurality of spring-actuatedpawls 127, each pawl provided with a collar 12S, and the shaft with apin 12S) cxtending in the slot 130, made in each collar of each pawl. Bythis arrangement the pawls engage the printing-wheels 120 and the slotspermit them to have a sufficient amount ot' movement to allow the wheelsto be rotated against the tension of the volute springs 121-, and thepawls will lock them to their turned positions against the tension ofthe springs.

rhese printing-wheels, as before explained, are actuated in sequencethrough the medium of the wheel 4-7 when the numeral-key lovers areoperated and the desired numerals are set up upon the printing-wheels inposition to print upon the paper when the carriage is depressed for thatpurpose.

It is desirable that those printing-wheels which lie beyond the point atwhich they are set up shall be so turned as not to print any characterat all-*that is, it' the numerals 1, 2, and 5`are set upon theprinting-wheels those located beyond the hundreds` position must be soturned that no character will be printed, and thus prevent a printing ofa confusing seriesv of naughts. rlhis is accomplished through the mediumof a bail which has its arms 130 pivoted upon the shaft 1-1 and isbellcrank shaped in end view, as shown in Fig. 9. rlhc outer portion 131ot' this bail forms a handle to be used in the manner presently setforth.

Meest The opposite end of this bail or bell-crank lever carries anangular bar or rod 131, upon which is placed a block 132, the said blockbeing adapted to slide upon the rod and limit it in its movement towardthe right through the medium of a pin 133, projecting from the said rod131. A spring 134 is placed on this rod and serves to normally hold theblock against said pin. By reference to Fig. 4 it will be noted thatthis bar does not extend to the tens printingwheel, which will thuspermit the tens printing-wheel to print a naught-as, for instance, inrecording one to nine cents. By reference to Fig. 9 it will be noticedthat this block 132 is of a size to slide between the teeth of theprinting-Wheels, and the outer or handled end of the bail is so weightedthat when it is resting in the carriage bracket or handle 135 it willturn those Wheels with which the bar is in engagement to carry the teethor projections of the Wheels which con tain the printing characters outof the printing position and presenting the spaces between the teeth atthe printing-point, so that when the carriage is depressed to printthose wheels with which the block is in engagement will not print anycharacter. Projecting from the shaftJ `40 and located between the wheel47 and a collar 13G is an arm 137, which is located in the path traveledby the bar 132 and is adapted to engage it when the carriage is moved tothe right and to force the bar end- Wise upon the rod 131 against thetension of the spring 134. The object and operation of this are asfollows: When it is desired, for instance, to set up and to compute thenumber 4125,7 the thousands stop-key is depressed and the carriage isdrawn to the right till it engages the stop. The movement of thecarriage Will have caused the block 132 to engage the arm 137 and moveit endwise and carry it out of engagement with all of theprinting-wheels, beginning with' the thousands-wheel. The carriage ismoved endwise ordinarily through the medium of the handle 130 of thebail, and the bail is lifted, lifting the carriage out of engagementwith its feeding-Wheel 56, and this movement Will carry the block in theposition indicated in Fig. 9. When the handle 131 is released, it willfall into the bracket-handle 135, which will carry the block 132 andcause one of its grooves, 140, to engage With a projection 141 upon theinner side ot' the casing of the carriage, and the bar will be locked inthis position until the handle 131l is again lifted. Hence should therebe several amounts to be printed, which begin with the thousands column,the operator will lift the carriage through the medium of thehandle-bracket 135, which will cause the block to remain in engagementwith the projection 141 and prevent the carriage, by the engagement ofthe block with the arm 137, from being moved beyond the thousands-pointand prevent the necessity of the operator using the thousandsstop-lever. This will be true in respect to a vrepetition (as will bereadily understood) of any series of amounts which begin in the samecolumn. Vhen it is desired to set up or to compute a number beginning ina different column from that in which the preceding number began, theoperator lifts and moves the carriage through the medium of the handle131 of the bail, which immediately disengages the block from theprojection 141 and permits the carriage to be moved to the proper stop,according to the amount that is to be set up and that is to be computed.

At the left of the printing mechanism just described is an auxiliaryprinting mechanism which may or maynot be used, hutwhich is providedbecause convenient and desirable in some institutions or by some usersto print the month, the day of the month, and a designation of theamountprinted--as,forinstance, the words Balancef Cash, or any otherdesignation of the amount that has been computed and that is printedupon the strip of paper. To accomplish this, a wide printingwheel150 isprovided to contain the designation ot" the amount printed, and twonumeralwheels 151 for the day of the month and a correspondingly widerwheel 152 representing the month. These auxiliary printingwheels are tobe turned by hand, and the carriage will be turned backward for thepurpose of enabling the operator to turn the wheels by hand. Thesewheels will be locked in their desired position through the medium ofthe locking-levers 153, which, as shown in Fig. 9, have their lower endsprovided with a notch 154, adapted to engage one of the printingcharacters or projections and lock its respective wheel in a printingposition. These levers are also so constructed that the walls of thenotches 154 form projections 155, adapted to tit between the printingcharacters of the wheel, and thus support them out of printing positionwhen it is desired to have them fail. to print.

After a number has been set up upon the printing-wheels and has beencomputed by the computing mechanism and it is desired to set up anothernumber for printing and computation it is necessary that theprintingwheels be returned to their normal or naught positions. lprovide means for doing this automatically, and it consists in havingthe shaft 126, upon which the spring-pawls 127 are located, oscillatedthrough the upward movement of the carriage after it has been depressedfor printing. This is accomplished as follows: A spring-dog 1GO issuitably pivotally supported in a position to engage a shouldered collarlt'l, carried by the projecting end of the said shaft 126. When the car-IIO IIS

of the shaft to move the spring-dogs 127 out of engagement with theprinting wheels through the medium of the pins carried by the shaftengaging the walls of the slots in the collars of the spring-dogs.

The naught-key 170, Figs. and 8, is not connected with the computingmechanism, nor is it connected with the printingmechanism. As is wellunderstood by those skilled in the art, it is never necessary to computethe cipher naught by the operation of a key for that purpose, and sinceall of the wheels of the printing mechanism are normally at naught andready to print that numeral it is unnecessary to connect the naught-keywith the printing mechanism. Thus it will be readily understood that itis only necessary for the naughtkey to operate the carriage-feedingmechanism one space in order to print the naught of the printingmechanism at the proper point upon the paper for printing that numeral.By reference to Fig. 8 the construction and operation of the naught-key170 is shown. This consists of an intermediate lever 171, to which thelower end of the key-lever 170 is connected, and the opposite end ofthis lever 171 engages with one end of an intermediately-pivoted lever172. The opposite end of this intermediately-pivoted lever 172 is a partor extension of the crank 68, forming a part of the carriage-feedingmechanism, which has been heretofore explained. In order to prevent anoperation of the universal bar 29 and its connecting members, which forma part of the escapement mechanism heretofore described, when thenaught-key lever is depressed, the upper end of the link 67 is providedwith a longitudinal slot 173', whereby when the naught-key 170 isdepressed the crank 68 moves downward in respect to the link 173 withoutactuating the link, and hence without actuating the universal bar whichforms a part of the escapement mechanism. Therefore the depression ofthe naught-key 170 merely oscillates the crank 68 and the shaft 58, andin turn the shaft 65, carrying the pawl 66, sufficiently to move thepawls one tooth upon the wheel 56. When the key 170 is released, thespring 174c moves the shaft back to its original position, and thereforeactuates the wheel 66 one tooth and in turn moves the carriage onespace.

From the foregoing description and drawings it will be noted that I haveprovided an improved computing mechanism which may be used without theintervention of a printing mechanism, and it will also be noted that Ihave provided an improved comp nting mechanism and sight-wheels whichmay be used only as sight-wheels, and not as combined sight and printingWheels, where it is not desired to print the amount which is cornputed.In this latter event the sight-wheels will merely serve as an indicationto the operator that he has computed the proper amount, or, in otherwords, has copied the amount correctly which he wants to compute.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-

l. A calculatingmechanism including an actuating-wheel, a computingmechanism actuated thereby and transversely movable in respect thereto,a reciprocating and oscillating escapement member normally outofengagement but adapted to engage the said wheel, a dog, a member'controlling the said dog and the reciprocating movement of the saidescapement member, a universal key member connected with theaforementioned member, a plurality of keys adapted to actuate theuniversal-key member, and means controlled by the key-levers forinterrupting the oscillation of the escapement member at various pointsthroughout its oscillating movement.

2. A calculating mechanism including an actuating-wheel, a computingmechanism actuated thereby and transversely movable in respect thereto,a U.shaped yoke adapted to oscillate and reciprocate upon the axis ofthe said wheel, a plurality of key-levers constructed tointerrupttheoscillating movementofthe yoke at various points throughout itsoscillating movement, the yoke having a projection adapted to engage thesaid wheel, an oscillating member common to and adapted to be actuatedby the said key-levers, the said oscillating member carrying a dogadapted to engage and disengage the said wheel and carrying a memberadapted to reciprocate the said yoke, whereby the dog is carried out ofengagement with the wheel and the projection of ihe yoke in engagementtherewith when one of the key-levers is depressed.

3. A calculating mechanism including an actuating-wheel, a computingmechanism actuated thereby and transversely movable in respect thereto,an escapement member normally ont of engagement with the wheel, amovable dog normally in engagement with the wheel but adapted todisengage it, a plurality of key-levers having their inner endsconstructed to hold the escapement member in engagement with the wheeland provided with shoulders adapted to interrupt the oscillatingmovement of the escapement memloer, and means common to the saidkey-levers controlling the movement ofthe dog and the reciprocatingmovement of the escapement member.

4:. A calculating mechanism including an actuating-wheel, a computingmechanism actuated thereby and transversely movable in respect thereto,a plurality of key-levers having their inner ends curved eccentricallyto the said wheel, an escapement member normally out of engagement withthe wheel and adapted to engage the curved portion of the saidkey-levers, the key-levers having shoulders situated at various pointsthroughout the oscillation of the escapement member, the escapementmember having a' portion common to the inner ends of all of thekey-lovers, and means common to the key-levers for controllingr thereciprocatino'V movement of the esca-pement member, and the movement ofthe said dog.

5. A calculatingr and pril'iiing mechanism including' a computing` and aprinling'mechanism, the said mechanisms being transversely movable,areciprocating and oscillating' memher adapted to engage the numeralmembers of the printing' mechanism which are not actuated by thekey-controlled mechanism, and means for reciprocating the saidreciprocal'.-

,ing and oscillating memoeifin respect to the said printing' members,through the horizontal movement oi" the printing' mechanism.

6. A calculating` and printing mechanism including a com pntingmechanism, a printing' mechanism, wheels adapted to independentlycontrol the computing' and the prin ting mechanisms, the com puting andthe printing mechanisms movable transversely the said wheels andnormally out of operation therewith, the printing mechanism inovahletransverse its axis for printing when it is out of engagement With itsactuating-wheel, and a key-controlled mechanism controlli ng' the saidWheels.

7. A calculating,r and printing' mechanism includingr a computing' andprinting; mechanism movable horizontally and vertically, wheels forindependently actuating the tvvo mechanisms,and a key-controlledmechanism controlling' "the said Wheels.

8. A calculating' and printing mechanism including' a computing' andprinting' mechanism having a horizontal and a vertical movement', theprinting and computing mechanism adapted to be moved ont ol engagementwith their actuating-Wheels when the amount has been computed and set upupon the printing' mechanism, and means i'or moving the printing'niecl'lanism vertically for printing the set-up amounts or numbers.

9, A calculating` and printing,` mechanism including a horizontally andvertically movable carriage, a computinpr and a calculating mechanismsupported thereby, means for moving' the carriage horizontally, akey-controlled mechanism controlling' the computing, theprinting' andthecarriafa'e mechanisms, the carriage-feeding mechanism beingvertically movable to permitthe depression oi' the rlan'e for printing.

l0. A calculating: and printing' mechanism inclndinca computingmechanism, a printing mechanism, a key-controlled mechanism controlling' the compul luga-nd the printing mechnnism, the printingmechanism including' a plurality oi' spring-actuated numeral members,dous for holding the numeral members zig'ainslY the tension of thesprings when they are not moved through the medium oii' thekey-controlled mechanisnnthe printing,y mechanism being' verticallymovable, and means controlled by the vertical movement or' the printingmechanism tor automatically actuating the dog and releasing the printingmemhers to permit the springs to return them to their normal positions.

ll. A calculating' and printing,` mechanism including' a horizontallyand vertically movable carriage, means for moving the carriage, ahey-controlled mechanism controlling the computing, the calculatingmechanism and the carriage-Intwine; mechanism, and means for preventing'the depression of the carriage 'until the last number to be computed andset upon the printing mechanism has been computed and set up.

l2. A calculating' and printing mechanism including a printing' andcompu ting mcehanism, a key-controlled mechanism controlling thecomputing and the printing mechanism, a vertically and horizontallymovable riage carrying the said mechanisms, means for controlling themembers of the printing; mechanism which are not controlled by thekey-controlled mechanism owing' 'to ine horizontal position of thecarriage, and moans for controlling' the oscillation oi' the saidoscillating members by means of which the carriage can be lifted whenmoved horizontally to its starting` position.

13. A calculating and printing mechanism including' a horizontally andvertically movable carriage, means for moving the carriage horizontally,a lceycontrolled mechanism controlling' the computing and the printingmechanism, means lor normally holding' those members of the printingrmechanism out of printing position which are not controlled by thekey-controlled mechanism owing' to the horizontal position ol thecarriage, means vi'or locking the said controlling' member, and meansVorliftingand moving' the carriafre ivithoutoperating the locliimeymechanism of the rcciprocating member.

lei. A calculating' and printing mechanism including a computing'mechanism, a printing' mechanism, actuatinn'-wheels therefor, the saidmechanisms having' a movement transverse the said Wheel and also avertical movement, a hey-controlled mechanism controlling' the saidwheel, and means i'or throwing; the computing' mechanism outof operationwhen it is desired to actnatc the printing mechanism independentlythereof.

l5. A calculating,r and printing' mechanism including a horizontally andvertically movable carriage car 'ying concentricallyarranged computing'and printingr mechanisms, wheels independently operating' the saidmechanisms, key controlled mechanism controlling' the said wheels, thecomputing and printing' mechanisms being thrown out of engagement withtheir actuating' wheels when the complete number has been computed andset up upon the printing mechanism whereby the vertical movement olf thecarriage to cause the p rioting will not actuate either oi' saidmechanisms.

1G. A calculating and printing' mechanism including' a transversely andvertically mov- O re-5,991

able carriage, a computing' and a printing mechanism carried thereby,wheels adapted to independently operate the said mechanisms, akey-controlled mechanism controlling the said wheels, a plurality ofkeys representing,` the numerals from l to 9 and adapted tocorrespondingly control the said keyeontrolled mechanism, and means formoving the carriage controlled by said keys after the computing andprinting' mechanisms have been operated.

17. A calculating and printing' mechanism including a horizontally andvertically movable carriage, a computing and a printing mechanismcarried thereby, a plurality of keys representing the numerals 'from lto

